Commit | Line | Data |
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7b30f09f JR |
1 | lttng-clear(1) |
2 | =============== | |
3 | ||
4 | ||
5 | NAME | |
6 | ---- | |
7 | lttng-clear - Clear an LTTng tracing session | |
8 | ||
9 | ||
10 | SYNOPSIS | |
11 | -------- | |
12 | [verse] | |
13 | *lttng* ['linkgenoptions:(GENERAL OPTIONS)'] *clear* [option:--all | 'SESSION'] | |
14 | ||
15 | ||
16 | DESCRIPTION | |
17 | ----------- | |
18 | The `lttng clear` command clears one or more tracing sessions. | |
19 | ||
20 | If no options are specified, the current tracing session is cleared | |
21 | (see man:lttng-create(1) for more information about the current | |
22 | tracing session). | |
23 | ||
24 | If 'SESSION' is specified, the existing tracing session named 'SESSION' | |
25 | is cleared. | |
26 | ||
27 | If the option:--all option is used, *all* the tracing sessions, as listed | |
28 | in the output of `lttng list`, are cleared. | |
29 | ||
30 | Clearing a tracing session removes all tracing data from the tracing buffers and | |
31 | remove all local or streamed trace data. | |
32 | ||
33 | If a session is configured in snapshot mode only the tracing buffers are cleared. | |
34 | ||
35 | If at least one rotation occurred, only the tracing buffers and the current | |
36 | trace chunk is cleared. Previous trace chunks are not cleared. | |
37 | ||
38 | include::common-cmd-options-head.txt[] | |
39 | ||
40 | ||
41 | option:-a, option:--all:: | |
42 | Clear all tracing sessions. | |
43 | ||
44 | include::common-cmd-help-options.txt[] | |
45 | ||
46 | ||
47 | include::common-cmd-footer.txt[] | |
48 | ||
49 | ||
50 | SEE ALSO | |
51 | -------- | |
52 | man:lttng-rotate(1), | |
53 | man:lttng-set-session(1), | |
54 | man:lttng(1) |